Lemongrass

Lemongrass (Cymbopogon citratus)

Lemongrass is a tropical, clump-forming grass known for its bright citrus aroma and culinary versatility. Its tall, arching blades create a strong vertical presence in the garden while producing tender, flavorful stalk bases used in soups, teas, and broths. Beyond the kitchen, it functions as a fragrant structural plant that fits beautifully into warm-climate food forests, herb gardens, and polycultures.

Key Characteristics

Culinary stalks with bright citrus depth
The lower stalks are the primary harvest, offering a clean lemon flavor with subtle ginger notes. These are widely used fresh in teas, curries, soups, and broths, or crushed to release essential oils. Leaves can also be used for tea or infusions, especially when fresh material is abundant.

Traditional medicinal and aromatic uses
Lemongrass has a long history of use as a digestive-support tea, often made from fresh or dried leaves. It is also used as a calming infusion and mild antimicrobial wash. The essential oils in the plant contribute to its traditional use in relieving digestive discomfort and supporting overall wellness.

Heat-loving perennial with strong clumping habit
This plant thrives in warm, humid conditions and grows vigorously through the heat of summer. It forms dense clumps that can be divided annually, making it easy to propagate and expand in a garden system. In cooler climates, it is often grown as an annual or overwintered indoors.

Structural and functional in garden design
Lemongrass works well as a border plant, wind filter, or seasonal screen in gardens. Its upright growth makes it useful along pathways, in raised beds, or as a backdrop in herb gardens. It integrates well into tropical food forests and warm-season polycultures, especially where vertical layering and strong plant architecture are desired.

• Native range: Southeast Asia
• Plant life cycle: Tender perennial (grown as annual in temperate climates)
• Sun requirements: Full sun
• Soil requirements: Medium to medium-wet, well-drained
• Mature height: 3–5 feet
• Bloom time: Rarely flowers outside tropical climates
• Bloom color: N/A (insignificant)
• USDA Hardiness zones: 9–11

Lemongrass thrives with heat, moisture, and regular harvest. For best production, plant it where it can receive full sun and plenty of space to expand, and harvest stalks regularly to encourage fresh, tender growth.